top of page
Consultants
Engineering Staff

Our Team

Consultants

Gerald P. Bretting, PE

Sr. Consulting Engineer, Partner Emeritus

  • Vehicular Accident Reconstruction

  • Bicycle Product Evaluation

  • Dangerous Condition Evaluation Associated with Two Wheeled Vehicles (Primarily Bicycles)

Download Curriculum Vitae
CID_170.jpg

Michael A. Callahan, BSME

Senior Consultant, Partner

  • Vehicular Accident Reconstruction

  • Commercial Vehicle EDR and Rapid Response

  • Video Analysis, 3D Animation and Simulation

Download Curriculum Vitae
DSC_6904_edited_edited_edited_edited.jpg

Christopher R. Johnk, PE

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger & Commercial Vehicle EDR

  • Automotive Systems Analysis

Download Curriculum Vitae
IMG_E0045_edited_edited.jpg

Christian T. Dooley, BSME

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger & Commercial Vehicle EDR

  • Photogrammetry and Simulation

  • Drone-based Aerial Data Acquisition

Download Curriculum Vitae

Alvin Lowi III, PE

Senior Consulting Engineer, Partner

  • Vehicular Accident Reconstruction

  • Automotive Systems and EDR Analysis

  • Mechanical Systems and Failure Analysis

​​

Download Curriculum Vitae

Beau LeBlanc, BSME

Senior Consultant, Partner

  • Vehicular Accident Reconstruction

  • Commercial & Passenger Vehicle EDR

  • Automotive Systems Failure Analysis

  • Complex Photogrammetry and Simulation

Download Curriculum Vitae
Sweet FINAL_edited_edited.jpg

D. Michael Sweet, PE

Senior Staff Engineer

  • Vehicular Accident Reconstruction and EDR Analysis

  • Pedestrian and Two-Wheeled Vehicle Accident

  • Bicycle Operation Standard of Care and Dangerous Conditions

Download Curriculum Vitae

David R. Thom, MS

Senior Consultant, Partner Emeritus

  • Analysis of Collision-Involved Safety Helmets and Crash Performance Research

  • Helmet Potential Effect on Injury

  • Helmet Standard Compliance Testing

Download Curriculum Vitae
Snyder FINAL (2).jpg

Sean G. Snyder, BSPhy

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger Vehicle EDR

  • Photogrammetry and Simulation

  • Video Analysis

Download Curriculum Vitae
Jose FINAL_edited_edited.jpg

Jose E. Tovar, BSME

Senior Staff Engineer

  • Vehicular Accident Reconstruction

  • Passenger & Commercial Vehicle EDR

  • Photogrammetry and Simulation

  • Video Analysis

Download Curriculum Vitae
Engineering and Support Staff
IMG_6325_edited.jpg

Shayne A. Sharp, BSME

Staff Engineer

EmelyDSC_0841 - cropped.JPG

Szymon G. Lao, BSME

Jr. Staff Engineer

Jarod FINAL_edited.jpg

Jarod B. Hodge

Scan Data Technician

David FINAL_edited_edited.jpg

David M. Wells, BSME

Support Staff

IMG_BLN 3_edited_edited_edited.jpg

Blake L. Newton, BSME

Staff Engineer

Raam-DSC_0898 - cropped_edited.jpg

Raam H. Patel, BSME

Jr. Staff Engineer

Ryan_Edit_edited.jpg

Ryan N. McKinney

Scan Data Technician

Porter FINAL_edited.jpg

Ryan V. Porter, BSME

Staff Engineer

IMG_6351_edited_edited_edited_edited.jpg

Ryan W. Wiley

3D Data Group Manager

CID_138.jpg

Le Sun

Visualization Manager

CID_191.jpg

Lisa M. Dawsey

Office Manager, Sr. Executive Assistant

Szymon-DSC_0960 - cropped_edited.jpg

Emely Contreras Chavez

Administrative Assistant

IMG_AMR_edited_edited.jpg

April M. Rotter, MBA

Accounting Manager

Kat FINAL (2)_edited.jpg

Kathrina T. Boyles

Senior Executive Assistant

CID_191.jpg

Jeffrey J. Bagge

IT & Facilities Manager

CID_191.jpg

E. Jennifer Wahba, MBA

Chief Financial Officer

Kathy_Edit_edited.jpg

Kathy M. Braun

Executive Assistant 

Zaida FINAL_edited.jpg

Zaida N. Nava, MS, SHRM-CP

Human Resources Manager

CID_22.jpg

Christopher D. Wilhelm, MSME

Chief Executive Officer, Partner

bottom of page